// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_BASE_MODELS_COMBOBOX_MODEL_OBSERVER_H_
#define UI_BASE_MODELS_COMBOBOX_MODEL_OBSERVER_H_

#include "ui/base/ui_base_export.h"

namespace ui {

class ComboboxModel;

// Observer for the ComboboxModel.
class UI_BASE_EXPORT ComboboxModelObserver {
public:
    // Invoked when |model| has changed in some way. The observer should assume
    // everything changed.
    virtual void OnComboboxModelChanged(ComboboxModel* model) = 0;

protected:
    virtual ~ComboboxModelObserver() { }
};

} // namespace ui

#endif // UI_BASE_MODELS_COMBOBOX_MODEL_OBSERVER_H_
